Bow tie



FIG. 1 is a front elevational view of a bow tie showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view is a mirror image;

FIG. 3 is a right side elevational view thereof, the left side is a mirror image; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a bow tie, as shown and described. 